1986 年 1986 巻 11 号 p. 25-38
The investigation of wells was conducted to estimate conditions of groundwater in Kofu Basin in Yamanashi Pref. in 1972 and 1973. The investigated items are locality and height of well, waterheight, temperature, PH, dissolved oxygen, water resistivity and dissolved methane in water of each well.
In this report, this data are rearranged and are examined by statistical method (variance, variance analysis, cluster analysis) . The statistical result shows that two groundwater flows are existence in Kofu Basin. One flows southward among Kamanashi river and Araka river, and the other one flows along Fuefuki river. Both flows join and mix mutually in the southern end of Kofu Basin.